ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun

the material that forms the hard outer covering of many animals

hard outer covering or case of certain organisms such as arthropods and turtles

the hard usually fibrous outer layer of some fruits especially nuts

the exterior covering of a bird's egg

a rigid covering that envelops an object

a very light narrow racing boat

the housing or outer covering of something

a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners)

the hard largely calcareous covering of a mollusc or a brachiopod